* Data are reported by calendar year from 1917–1963 and 1970–2007 and by financial year from 1963/1964–1969/1970. Source: Hall R. Notifiable disease surveillance, 1917 to 1991. Commun Dis Intell 1993;17(11):226–236.

* Data are reported by calendar year from 1917–1963 and 1970–2007 and by financial year from 1963/1964–1969/1970. Source: Hall R. Notifiable disease surveillance, 1917 to 1991. Commun Dis Intell 1993;17(11):226–236.

* Data are reported by calendar year from 1917–1963 and 1970–2007 and by financial year from 1963/1964–1969/1970. Source: Hall R. Notifiable disease surveillance, 1917 to 1991. Commun Dis Intell 1993;17(11):226–236.

* Data are reported by calendar year from 1917–1963 and 1970–2007 and by financial year from 1963/1964–1969/1970. Source: Hall R. Notifiable disease surveillance, 1917 to 1991. Commun Dis Intell 1993;17(11):226–236.

* Data are reported by calendar year from 1917–1963 and 1970–2007 and by financial year from 1963/1964–1969/1970. Source: Hall R. Notifiable disease surveillance, 1917 to 1991. Commun Dis Intell 1993;17(11):226–236.

* Data are reported by calendar year from 1917–1963 and 1970–2007 and by financial year from 1963/1964–1969/1970. Source: Hall R. Notifiable disease surveillance, 1917 to 1991. Commun Dis Intell 1993;17(11):226–236.

* Data are reported by calendar year from 1917–1963 and 1970–2007 and by financial year from 1963/1964–1969/1970. Source: Hall R. Notifiable disease surveillance, 1917 to 1991. Commun Dis Intell 1993;17(11):226–236.

* Data are reported by calendar year from 1917–1963 and 1970–2007 and by financial year from 1963/1964–1969/1970. Source: Hall R. Notifiable disease surveillance, 1917 to 1991. Commun Dis Intell 1993;17(11):226–236.

* Data are reported by calendar year from 1917–1963 and 1970–2007 and by financial year from 1963/1964–1969/1970. Source: Hall R. Notifiable disease surveillance, 1917 to 1991. Commun Dis Intell 1993;17(11):226–236.